Gallienus, AE denarius, Rome. AD 265-267. 1.94 g. Sole reign. 

IMP GALLIENVS AVG, laureate, draped and cuirassed bust 
right, holding spear and shield.
SECVRIT PERPET, Securitas standing left, leaning on 
column and holding sceptre. 

RIC V 355 var. (bust type); Goebl 670u; Cunetio 1425
Very rare. 

With permission of cngcoins.com, Triton XIII, Jan. 2010.